Page 60
3. Error Diagnosis and Troubleshoo
�
ng Without Error Code
3.1
Remote maintenance
SUGGESTION:
When troubles occur, please check the following points with customers before
fi
eld maintenance.
Problem
Solu
�
on
1
Unit will not start
Page 62-63
2
The power switch is on but fans will not start
Page 62-63
3
The tempreture on the playboard cannot be se
�
ed
Page 62-63
4
Unit is on but the wind is not cold(hot)
Page 62-63
5
Unit runs, but shortly stops
Page 62-63
6
The unit startup and stop frequently
Page 62-63
7
Unit runs con
�
nuously but insu
ffii
ent cooling(hea
�
ng)
Page 62-63
8
Cool can not change to heat
Page 62-63
9
Unit is noisy
Page 62-63
WARNING
Be sure to turn o
ff
unit before any maintenance to prevent damage or injury.
Tr
o
ub
le
s
h
oo
ti
ng
